Home / 3,260.72-4,498.12-2,080.55

Finding the Fourth Proportional to 3,260.72, 4,498.12 and 2,080.55

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Solution

The fourth proportional to 3,260.72, 4,498.12 and 2,080.55 is: 2,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.72 : 4,498.12 = 2,080.55 : x
  2. Step 2: Convert to fraction form
    3,260.72/4,498.12 = 2,080.55/x
  3. Step 3: Cross multiply
    3,260.72x = 4,498.12 × 2,080.55
  4. Step 4: Simplify right side
    3,260.72x = 9,358,563.57
  5. Step 5: Solve for x
    x = 9,358,563.57/3,260.72
  6. Step 6: Final answer
    x = 2,870.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.